package com.lwj.securitydemo.web.async;

import cn.hutool.core.util.RandomUtil;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.context.request.async.DeferredResult;

import java.util.concurrent.Callable;

@RestController
public class AsyncController {

    private Logger logger = LoggerFactory.getLogger(getClass());

    @Autowired
    private MockQueue mockQueue;

    @Autowired
    private DeferredResultHolder deferredResultHolder;

    @GetMapping("/order")
    public DeferredResult<String> order() throws Exception {
        logger.info("主线程开始！");

        String orderNumber = RandomUtil.randomNumbers(8);
        mockQueue.setPlaceOrder(orderNumber);

        DeferredResult<String> result = new DeferredResult<>();
        deferredResultHolder.getMap().put(orderNumber, result);

//        Callable<String> result = () -> {
//            logger.info("副线程开始！");
//            Thread.sleep(1000);
//            logger.info("副线程结束！");
//            return "success";
//        };
        logger.info("主线程结束！");

        return result;
    }
}
